.nav {
  padding: 0.2rem 0;
  box-sizing: border-box;
  background: $headerBg;
  border-bottom: 1px solid #ececec;
  .menu {
    display: flex;
    justify-content: space-around;
    .item{
      line-height: 1rem;
      font-size: .45rem;
      color: $color;
      &.active {
        color: $navColor;
        border-bottom: 2px solid $navColor;
      }
    }
  }
}